Giergiczny M, Dekker T, Hess S, Chintakayala P. Testing the stability of utility parameters in repeated best, repeated best-worst and one-off best-worst studies. Eur J Trans Infra. 2017 Sep 1;17(4):457-76. doi: 10.18757/ejtir.2017.17.4.3209
Aguado J, Campbell A, Ascaso C, Navarro P, Garcia-Esteve L, Luciano JV. Examining the factor structure and discriminant validity of the 12-Item General Health Questionnaire (GHQ-12) among Spanish postpartum women. Assessment. 2012 Dec 19;19(4):517-25.
Navarro P, Ascaso C, Garcia-Esteve L, Aguado J, Torres A, Martín-Santos R. Postnatal psychiatric morbidity: a validation study of the GHQ-12 and the EPDS as screening tools. General Hospital Psychiatry. 2007 Jan;29(1):1-7.